操作系统 文件系统 实验程序

—实验目Create、delete、open、close、read、writeMDMDUFAF#defineN10#defineL#defineS6structmfd_type{ intuaddr;struct{charfname[20];charfattr[10]; intaddrf;struct{charfname[20];charfattr[10];intrecordl;charfstatue;//1:0:打开intreadp;intintfdph[N*L];//寄存文献在磁盘上的第一种空间编号intfdpt[N*L];//寄存文献在磁盘上的最末一种空间编号intdisk[400];//寄存磁盘空闲块号intdiskt,diskh;//空闲块的尾、首指针最末structmfd_typemfd[N];structufd_typeufd[N*L];structuof_typeuof[N*S];inttemp,mi,ni,uno,ucounter;voidcreate(charcfname[20],intcrecordl,char{intwhile((cltemp1<cltemp2)&&(strcmp(ufd[cltemp1].fname,cfname)!=0)){while((cltemp1<cltemp2)&&(strcmp(ufd[cltemp1].fname,"")!=0))cltemp1++;{while((cltemp1<cltemp2)&&(strcmp(uof[cltemp1].fname,"")!=0))cltemp1++;{if(disk[diskh]!=-{printf("%s\n","}elseprintf("%s\n","}elseprintf("%s\n","1，不能建文献}elseprintf("%s\n","2，不能建文献}elseprintf("%s\n","voidopen(charpfname[20],char{intcltemp1=uno*L,cltemp2=(uno+1)*L;intwhile((cltemp1<cltemp2)&&(strcmp(ufd[cltemp1].fname,pfname)!=0))cltemp1++;{while((cltemp3<cltemp4)&&(strcmp(uof[cltemp3].fname,pfname)!=0))cltemp3++;{if(uof[cltemp3].fstatue==0)printf("%s\n","文献已打开！");elseprintf("%s\n","此文献正在建立，不能打开！");}{

if(strcmp(ufd[cltemp1].fattr,ooptype)!=0)printf("%s\n","{

printf("%s\n","}}

{}}

printf("%s\n","printf("%s\n","voidwrite(charwfname[20],int{intcltemp1=uno*L,cltemp2=(uno+1)*L;intwhile((cltemp3<cltemp4)&&(strcmp(uof[cltemp3].fname,wfname)!=0))cltemp3++;if(strcmp(uof[cltemp3].fname,wfname))printf("");//在已开文{{printf("%s\n","{}}

{{if(disk[diskt]==-{}}}}voidread(charrfname[20],int{intwhile((cltemp1<cltemp2)&&(strcmp(uof[cltemp1].fname,rfname)!=0))cltemp1++;{printf("%s%d%s\n","第",uof[cltemp1].readp,"块读");while((cltemp2!=disk[frd])&&(disk[frd]!=-1))frd=disk[frd]; elseprintf("%s\n","文献未打开不能读voidclose(char{intwhile((cltemp1<cltemp2)&&(strcmp(uof[cltemp1].fname,cofname)!=0))cltemp1++;{switch(cltemp2){}}

case1:printf("%s\n","写文献结束符。");//case0:strcpy(uof[cltemp1].fname,"");printf("%s\n","voiddeletef(char{intcltemp1=uno*L,cltemp2=(uno+1)*L;intwhile((cltemp1<cltemp2)&&(strcmp(ufd[cltemp1].fname,dfname)!=0))cltemp1++;{while((cltemp3<cltemp4)&&(strcmp(uof[cltemp3].fname,dfname)!=0))cltemp3++;if(strcmp(uof[cltemp3].fname,dfname)==0)strcpy(uof[cltemp1].fname,"");}

printf("%s\n","void{int {printf("顾客名为%s的顾客拥有的文献：\n",mfd[temp].uname);for(temp1=temp*L;temp1<(temp+1)*L;temp1++){if{ }} } int{intcharfname[20],cfattr[10],ooptype[10],chtemp[10];intrecordl,rreadl;intcharmun[20],inst[10],insts[10],instta[8][10];{}{}{}printf("请输入文献目录表(顾客名和顾客首地址)e/E0为结束。\n");{if(((chtemp,"e")==0)||(strcmp(chtemp,"E")==0))break;}{printf("请输入第%d个顾客的目录表。\n"printf("请输入顾客目录表(文献名文献属性（r/w）文献统计长度文献首地址,输e/Ee00为结束。\n");for(temp=temp1*{if((strcmp(chtemp,"e")==0)||(chtemp,"E")==0)break;;}}{printf("请输入第%d个顾客的已开文献表。\n"printf("%s\n","请输入顾客已开文献表,e/Ee0000为结束。\n文献名（r/w）文献统计长度文献状态（0/1，文献读 for(temp=temp1*S;temp<(temp1+1)*S;temp++){if((strcmp(chtemp,"e")==0)||(strcmp(chtemp,"E")==0))break;}}{printf("%s\n","请输入顾客名 { while((inst[mi]!='(')&&(mi<chlen)){insts[mi]=inst[mi];mi++;} while((mmi<=7)&&(strcmp(instta[mmi],insts)!=